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authorAndreas Färber <afaerber@suse.de>2012-04-11 23:12:05 +0200
committerEdgar E. Iglesias <edgar.iglesias@gmail.com>2012-04-24 16:04:56 +0200
commite739a48e58c41fc0d3caa24103abef9988c77cdf (patch)
treee4da9051b0f07bc556362b5e3aeecac33089fe8b /target-cris
parent092dfc7714ad7983aeb0cada5d5983e9fde8d84c (diff)
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target-cris: QOM'ify CPU
Embed CPUCRISState as first member of QOM CRISCPU. Let CPUClass::reset() call cpu_state_reset() for now. Signed-off-by: Andreas Färber <afaerber@suse.de>
Diffstat (limited to 'target-cris')
-rw-r--r--target-cris/cpu-qom.h70
-rw-r--r--target-cris/cpu.c60
-rw-r--r--target-cris/cpu.h2
-rw-r--r--target-cris/translate.c4
4 files changed, 135 insertions, 1 deletions
diff --git a/target-cris/cpu-qom.h b/target-cris/cpu-qom.h
new file mode 100644
index 0000000..d0e5f04
--- /dev/null
+++ b/target-cris/cpu-qom.h
@@ -0,0 +1,70 @@
+/*
+ * QEMU CRIS CPU
+ *
+ * Copyright (c) 2012 SUSE LINUX Products GmbH
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see
+ * <http://www.gnu.org/licenses/lgpl-2.1.html>
+ */
+#ifndef QEMU_CRIS_CPU_QOM_H
+#define QEMU_CRIS_CPU_QOM_H
+
+#include "qemu/cpu.h"
+
+#define TYPE_CRIS_CPU "cris-cpu"
+
+#define CRIS_CPU_CLASS(klass) \
+ OBJECT_CLASS_CHECK(CRISCPUClass, (klass), TYPE_CRIS_CPU)
+#define CRIS_CPU(obj) \
+ OBJECT_CHECK(CRISCPU, (obj), TYPE_CRIS_CPU)
+#define CRIS_CPU_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(CRISCPUClass, (obj), TYPE_CRIS_CPU)
+
+/**
+ * CRISCPUClass:
+ * @parent_reset: The parent class' reset handler.
+ *
+ * A CRIS CPU model.
+ */
+typedef struct CRISCPUClass {
+ /*< private >*/
+ CPUClass parent_class;
+ /*< public >*/
+
+ void (*parent_reset)(CPUState *cpu);
+} CRISCPUClass;
+
+/**
+ * CRISCPU:
+ * @env: #CPUCRISState
+ *
+ * A CRIS CPU.
+ */
+typedef struct CRISCPU {
+ /*< private >*/
+ CPUState parent_obj;
+ /*< public >*/
+
+ CPUCRISState env;
+} CRISCPU;
+
+static inline CRISCPU *cris_env_get_cpu(CPUCRISState *env)
+{
+ return CRIS_CPU(container_of(env, CRISCPU, env));
+}
+
+#define ENV_GET_CPU(e) CPU(cris_env_get_cpu(e))
+
+
+#endif
diff --git a/target-cris/cpu.c b/target-cris/cpu.c
new file mode 100644
index 0000000..784846b
--- /dev/null
+++ b/target-cris/cpu.c
@@ -0,0 +1,60 @@
+/*
+ * QEMU CRIS CPU
+ *
+ * Copyright (c) 2012 SUSE LINUX Products GmbH
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see
+ * <http://www.gnu.org/licenses/lgpl-2.1.html>
+ */
+
+#include "cpu.h"
+#include "qemu-common.h"
+
+
+/* CPUClass::reset() */
+static void cris_cpu_reset(CPUState *s)
+{
+ CRISCPU *cpu = CRIS_CPU(s);
+ CRISCPUClass *ccc = CRIS_CPU_GET_CLASS(cpu);
+ CPUCRISState *env = &cpu->env;
+
+ ccc->parent_reset(s);
+
+ cpu_state_reset(env);
+}
+
+static void cris_cpu_class_init(ObjectClass *oc, void *data)
+{
+ CPUClass *cc = CPU_CLASS(oc);
+ CRISCPUClass *ccc = CRIS_CPU_CLASS(oc);
+
+ ccc->parent_reset = cc->reset;
+ cc->reset = cris_cpu_reset;
+}
+
+static const TypeInfo cris_cpu_type_info = {
+ .name = TYPE_CRIS_CPU,
+ .parent = TYPE_CPU,
+ .instance_size = sizeof(CRISCPU),
+ .abstract = false,
+ .class_size = sizeof(CRISCPUClass),
+ .class_init = cris_cpu_class_init,
+};
+
+static void cris_cpu_register_types(void)
+{
+ type_register_static(&cris_cpu_type_info);
+}
+
+type_init(cris_cpu_register_types)
diff --git a/target-cris/cpu.h b/target-cris/cpu.h
index 31899c2..5449cc4 100644
--- a/target-cris/cpu.h
+++ b/target-cris/cpu.h
@@ -169,6 +169,8 @@ typedef struct CPUCRISState {
void *load_info;
} CPUCRISState;
+#include "cpu-qom.h"
+
CPUCRISState *cpu_cris_init(const char *cpu_model);
int cpu_cris_exec(CPUCRISState *s);
void cpu_cris_close(CPUCRISState *s);
diff --git a/target-cris/translate.c b/target-cris/translate.c
index 7224f46..26c3f0b 100644
--- a/target-cris/translate.c
+++ b/target-cris/translate.c
@@ -3505,11 +3505,13 @@ static uint32_t vr_by_name(const char *name)
CPUCRISState *cpu_cris_init (const char *cpu_model)
{
+ CRISCPU *cpu;
CPUCRISState *env;
static int tcg_initialized = 0;
int i;
- env = g_malloc0(sizeof(CPUCRISState));
+ cpu = CRIS_CPU(object_new(TYPE_CRIS_CPU));
+ env = &cpu->env;
env->pregs[PR_VR] = vr_by_name(cpu_model);
cpu_exec_init(env);